-- https://github.com/nvim-neo-tree/neo-tree.nvim
local status, nvim_tree = pcall(require, "neo-tree")
if not status then
  vim.notify("没有找到 neo-tree")
  return
end

require("neo-tree").setup({
  close_if_last_window = false,       -- Close Neo-tree if it is the last window left in the tab
  popup_border_style = "rounded",
  enable_git_status = true,
  enable_diagnostics = true,
  open_files_do_not_replace_types = { "terminal", "trouble", "qf" },       -- when opening files, do not use windows containing these filetypes or buftypes
  sort_case_insensitive = false,                                           -- used when sorting files and directories in the tree
  sort_function = nil,                                                     -- use a custom function for sorting files and directories in the tree
  -- sort_function = function (a,b)
  --       if a.type == b.type then
  --           return a.path > b.path
  --       else
  --           return a.type > b.type
  --       end
  --   end , -- this sorts files and directories descendantly
  default_component_configs = {
    container = {
      enable_character_fade = true
    },
    indent = {
      indent_size = 2,
      padding = 1,       -- extra padding on left hand side
      -- indent guides
      with_markers = true,
      indent_marker = "│",
      last_indent_marker = "└",
      highlight = "NeoTreeIndentMarker",
      -- expander config, needed for nesting files
      with_expanders = nil,       -- if nil and file nesting is enabled, will enable expanders
      expander_collapsed = "",
      expander_expanded = "",
      expander_highlight = "NeoTreeExpander",
    },
    icon = {
      folder_closed = "",
      folder_open = "",
      folder_empty = "ﰊ",
      -- The next two settings are only a fallback, if you use nvim-web-devicons and configure default icons there
      -- then these will never be used.
      default = "*",
      highlight = "NeoTreeFileIcon"
    },
    modified = {
      symbol = "[+]",
      highlight = "NeoTreeModified",
    },
    name = {
      trailing_slash = false,
      use_git_status_colors = true,
      highlight = "NeoTreeFileName",
    },
    git_status = {
      symbols = {
        -- Change type
        added     = "",        -- or "✚", but this is redundant info if you use git_status_colors on the name
        modified  = "",        -- or "", but this is redundant info if you use git_status_colors on the name
        deleted   = "✖",     -- this can only be used in the git_status source
        renamed   = "",     -- this can only be used in the git_status source
        -- Status type
        untracked = "",
        ignored   = "",
        unstaged  = "",
        staged    = "",
        conflict  = "",
      }
    },
  },
  -- A list of functions, each representing a global custom command
  -- that will be available in all sources (if not overridden in `opts[source_name].commands`)
  -- see `:h neo-tree-global-custom-commands`
  commands = {},

  window = {
    position = "left",
    width = 20,
    mapping_options = {
      noremap = true,
      nowait = true,
    },
    mappings = {
      ["<space>"] = {
        "toggle_node",
        nowait = false,         -- disable `nowait` if you have existing combos starting with this char that you want to use
      },
      ["<2-LeftMouse>"] = "open",
      ["<cr>"] = "open",
      ["<esc>"] = "revert_preview",
      ["P"] = { "toggle_preview", config = { use_float = true } },
      ["l"] = "focus_preview",
      ["S"] = "open_split",
      ["s"] = "open_vsplit",
      -- ["S"] = "split_with_window_picker",
      -- ["s"] = "vsplit_with_window_picker",
      ["t"] = "open_tabnew",
      -- ["<cr>"] = "open_drop",
      -- ["t"] = "open_tab_drop",
      ["w"] = "open_with_window_picker",
      --["P"] = "toggle_preview", -- enter preview mode, which shows the current node without focusing
      ["C"] = "close_node",
      -- ['C'] = 'close_all_subnodes',
      ["z"] = "close_all_nodes",
      --["Z"] = "expand_all_nodes",
      ["a"] = {
        "add",
        -- this command supports BASH style brace expansion ("x{a,b,c}" -> xa,xb,xc). see `:h neo-tree-file-actions` for details
        -- some commands may take optional config options, see `:h neo-tree-mappings` for details
        config = {
          show_path = "none"       -- "none", "relative", "absolute"
        }
      },
      ["A"] = "add_directory",       -- also accepts the optional config.show_path option like "add". this also supports BASH style brace expansion.
      ["d"] = "delete",
      ["r"] = "rename",
      ["y"] = "copy_to_clipboard",
      ["x"] = "cut_to_clipboard",
      ["p"] = "paste_from_clipboard",
      ["c"] = "copy",       -- takes text input for destination, also accepts the optional config.show_path option like "add":
      -- ["c"] = {
      --  "copy",
      --  config = {
      --    show_path = "none" -- "none", "relative", "absolute"
      --  }
      --}
      ["m"] = "move",       -- takes text input for destination, also accepts the optional config.show_path option like "add".
      ["q"] = "close_window",
      ["R"] = "refresh",
      ["?"] = "show_help",
      ["<"] = "prev_source",
      [">"] = "next_source",
    }
  },
  nesting_rules = {},
  filesystem = {
    filtered_items = {
      visible = false,       -- when true, they will just be displayed differently than normal items
      hide_dotfiles = true,
      hide_gitignored = true,
      hide_hidden = true,       -- only works on Windows for hidden files/directories
      hide_by_name = {
        --"node_modules"
      },
      hide_by_pattern = {       -- uses glob style patterns
        --"*.meta",
        --"*/src/*/tsconfig.json",
      },
      always_show = {       -- remains visible even if other settings would normally hide it
        --".gitignored",
      },
      never_show = {       -- remains hidden even if visible is toggled to true, this overrides always_show
        --".DS_Store",
        --"thumbs.db"
      },
      never_show_by_pattern = {       -- uses glob style patterns
        --".null-ls_*",
      },
    },
    follow_current_file = false,                  -- This will find and focus the file in the active buffer every
    -- time the current file is changed while the tree is open.
    group_empty_dirs = false,                     -- when true, empty folders will be grouped together
    hijack_netrw_behavior = "open_default",       -- netrw disabled, opening a directory opens neo-tree
    -- in whatever position is specified in window.position
    -- "open_current",  -- netrw disabled, opening a directory opens within the
    -- window like netrw would, regardless of window.position
    -- "disabled",    -- netrw left alone, neo-tree does not handle opening dirs
    use_libuv_file_watcher = false,       -- This will use the OS level file watchers to detect changes
    -- instead of relying on nvim autocmd events.
    window = {
      mappings = {
        ["<bs>"] = "navigate_up",
        ["."] = "set_root",
        ["H"] = "toggle_hidden",
        ["/"] = "fuzzy_finder",
        ["D"] = "fuzzy_finder_directory",
        ["#"] = "fuzzy_sorter",       -- fuzzy sorting using the fzy algorithm
        -- ["D"] = "fuzzy_sorter_directory",
        ["f"] = "filter_on_submit",
        ["<c-x>"] = "clear_filter",
        ["[g"] = "prev_git_modified",
        ["]g"] = "next_git_modified",
      },
      fuzzy_finder_mappings = {
                                      -- define keymaps for filter popup window in fuzzy_finder_mode
        ["<down>"] = "move_cursor_down",
        ["<C-n>"] = "move_cursor_down",
        ["<up>"] = "move_cursor_up",
        ["<C-p>"] = "move_cursor_up",
      },
    },
    commands = {}       -- Add a custom command or override a global one using the same function name
  },
  buffers = {
    follow_current_file = true,       -- This will find and focus the file in the active buffer every
    -- time the current file is changed while the tree is open.
    group_empty_dirs = true,          -- when true, empty folders will be grouped together
    show_unloaded = true,
    window = {
      mappings = {
        ["bd"] = "buffer_delete",
        ["<bs>"] = "navigate_up",
        ["."] = "set_root",
      }
    },
  },
  git_status = {
    window = {
      position = "float",
      mappings = {
        ["A"]  = "git_add_all",
        ["gu"] = "git_unstage_file",
        ["ga"] = "git_add_file",
        ["gr"] = "git_revert_file",
        ["gc"] = "git_commit",
        ["gp"] = "git_push",
        ["gg"] = "git_commit_and_push",
      }
    }
  }
})
